PengPong: Prologue Leveling Guide

As of the current web search, a detailed guide specifically outlining the "fastest way to level up" in PengPong: Prologue is not available. The game is described as a bullet-hell roguelike where survival involves bouncing weapons and items. It features an endless array of character and weapon combinations, with physics playing a key role.

General information from the game's description and early reviews indicates that players can gain XP and gold to level up. There are also mentions of numerous ways to upgrade characters, including 'Exp' and 'puck upgrades,' as well as 'shop items.' The game also features a section for 'permanent upgrades,' allowing for continuous progress. A gameplay demo noted that players can acquire XP and money by killing enemies and that these resources are pulled in.

However, specific strategies for optimizing XP gain, identifying the most efficient farming spots, or outlining particular character builds for rapid leveling within PengPong: Prologue are not detailed in the provided search results.